In a study designed to test the development of mathematical ability, a group of 3-year olds and a group of 10-year olds are tested. What sort of design is this called?
A) cross sectional
B) longitudinal
C) cross sequential
D) cohort

Question

Quizplus · Accepted Answer

This is a cross-sectional design because the researchers are testing different age groups at one point in time. A longitudinal design involves testing the same group of individuals over a period of time, a cross-sequential design combines cross-sectional and longitudinal designs, and a cohort design involves studying individuals who share a common characteristic at a specific point in time.

In a Study Designed to Test the Development of Mathematical